:root{
  --ink:#1f2430; --muted:#5b6270; --cream:#faf8f5; --sand:#efe9e1; --line:#e0d8cc; --card:#ffffff;
  --coral:#c23a32; --coral-l:#fbe9e7; --blue:#2457c5; --blue-l:#e3ebfb; --green:#1d7a4f; --green-l:#e2f3ea; --amber-l:#fff4dc; --amber-d:#8a5a00;
  --r:16px; --max:1180px;
  --head:Bahnschrift,"Franklin Gothic Medium","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font:17px/1.72 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--cream)}
h1,h2,h3{font-family:var(--head);color:var(--ink);line-height:1.15;margin:0 0 .55em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5.2vw,3.7rem);letter-spacing:-.025em}
h2{font-size:clamp(1.55rem,3vw,2.1rem);margin-top:2.4em}
h3{font-size:1.2rem;margin-top:1.6em}
p{margin:0 0 1.1em}
a{color:var(--blue);text-underline-offset:3px}a:hover{color:var(--coral)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}

/* üst bar */
.bar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.bar .wrap{display:flex;align-items:center;gap:20px;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--head);font-weight:700;font-size:1.35rem;letter-spacing:-.01em;white-space:nowrap}
.logo .mark{flex:none}
.menu{margin-left:auto}
.menu ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 13px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.94rem}
.menu a:hover{background:var(--sand);color:var(--ink)}
.burger{display:none;margin-left:auto;align-items:center;gap:10px;background:var(--ink);color:#fff;border:0;border-radius:10px;padding:0 16px;height:44px;font:700 .95rem/1 var(--head);cursor:pointer}
.burger .bars{position:relative;width:18px;height:2px;background:#fff;border-radius:2px;display:block}
.burger .bars:before,.burger .bars:after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s,top .2s}
.burger .bars:before{top:-6px}.burger .bars:after{top:6px}
.burger[aria-expanded=true] .bars{background:transparent}
.burger[aria-expanded=true] .bars:before{top:0;transform:rotate(45deg)}
.burger[aria-expanded=true] .bars:after{top:0;transform:rotate(-45deg)}

/* hero */
.hero{padding:54px 0 28px;background:linear-gradient(180deg,var(--sand),var(--cream))}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero .lead{font-size:1.18rem;color:var(--muted)}
.hero .strip{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 6px;padding:0;list-style:none}
.hero .strip li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;font-size:.92rem;font-weight:600}
.hero .strip b{color:var(--coral)}
.hero .meta{font-size:.88rem;color:var(--muted);margin-top:16px}
.hero figure{margin:0;position:relative}
.hero .frame{position:relative;padding:0 14px 14px 0}
.hero .frame:before{content:"";position:absolute;inset:18px 0 0 18px;background:var(--coral);border-radius:22px;z-index:0}
.hero figure img{position:relative;z-index:1;border-radius:22px;border:6px solid #fff;box-shadow:0 24px 50px -30px rgba(31,36,48,.7);transform:rotate(-1.4deg)}
.hero figcaption{font-size:.82rem;color:var(--muted);padding:6px 4px 0}

/* içerik + yan özet */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:52px;padding:26px 0 60px;align-items:start}
.article{min-width:0}
.article h2:first-child{margin-top:0}
h2 .no{display:inline-block;font-family:var(--head);color:var(--coral);font-size:.62em;border:2px solid var(--coral);border-radius:8px;padding:2px 9px;margin-right:12px;vertical-align:.18em;letter-spacing:.02em}
aside.side{position:sticky;top:88px;display:grid;gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card h3,.card .ct{margin:0 0 12px;font-family:var(--head);font-size:1.12rem;font-weight:700}
.facts{margin:0;display:grid;gap:0}
.facts div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:.95rem}
.facts div:last-child{border-bottom:0}
.facts dt{color:var(--muted)}.facts dd{margin:0;font-weight:700;text-align:right}
.toc ol{margin:0;padding-left:20px;font-size:.95rem}.toc li{margin:6px 0}
.pricebox{background:var(--ink);color:#fff;border:0}
.pricebox .ct{color:#fff}.pricebox b{font-family:var(--head);font-size:1.8rem;display:block;line-height:1.1}
.pricebox small{color:#c9cfdc;display:block;margin-top:4px}
.pricebox a{color:#fff}

/* kutular */
.answer{background:var(--blue-l);border-left:6px solid var(--blue);border-radius:0 var(--r) var(--r) 0;padding:16px 20px;margin:0 0 1.4em}
.answer b{color:var(--blue)}
.warn{background:var(--coral-l);border-left:6px solid var(--coral);border-radius:0 var(--r) var(--r) 0;padding:16px 20px;margin:1.4em 0}
.warn b{color:var(--coral)}
.note{background:var(--amber-l);border-left:6px solid #e0a21b;border-radius:0 var(--r) var(--r) 0;padding:16px 20px;margin:1.4em 0}
.note b{color:var(--amber-d)}

.tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1em 0 1.6em;border-radius:var(--r);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;background:#fff;font-size:.96rem}
table.wide{min-width:620px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--ink);color:#fff;font-weight:700}
tr:last-child td{border-bottom:0}
td:first-child{font-weight:600}

ul.check,ul.cross{list-style:none;padding:0}
ul.check li,ul.cross li{padding-left:30px;position:relative;margin:.5em 0}
ul.check li:before{content:"";position:absolute;left:2px;top:.5em;width:14px;height:8px;border-left:3px solid var(--green);border-bottom:3px solid var(--green);transform:rotate(-45deg)}
ul.cross li:before{content:"×";position:absolute;left:4px;top:-.12em;color:var(--coral);font-weight:800;font-size:1.35rem}

figure.info{margin:1.6em 0}
figure.info img{width:100%;height:auto;border-radius:var(--r);border:1px solid var(--line)}
figcaption{font-size:.85rem;color:var(--muted);padding:8px 4px 0}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:1.6em 0}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;border:1px solid var(--line);background:#fff}

details{background:#fff;border:1px solid var(--line);border-radius:14px;margin:10px 0;padding:0 18px}
summary{cursor:pointer;font-weight:700;padding:15px 0;color:var(--ink);list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";float:right;font-size:1.4rem;line-height:1;color:var(--coral)}
details[open] summary:after{content:"–"}
details[open]{border-color:var(--ink)}

.sources{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);margin-top:2.2em;padding-top:1em}
.sources ol{padding-left:20px}

footer{background:var(--ink);color:#c9cfdc;padding:44px 0 26px}
footer a{color:#fff}
footer .g{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
footer .fh{display:block;color:#fff;font-family:var(--head);font-weight:700;font-size:1.1rem;margin-bottom:10px}
footer ul{list-style:none;padding:0;margin:0}footer li{margin:6px 0}
footer .disc{border-top:1px solid #3a4152;margin-top:26px;padding-top:16px;font-size:.86rem;color:#a4acbd}

.page{padding:48px 0 70px}.page .narrow{max-width:760px}

@media(max-width:1000px){
  .hero .wrap{grid-template-columns:1fr;gap:34px}
  .layout{grid-template-columns:1fr;gap:26px}
  aside.side{position:static;order:-1}
  .toc{display:none}
  footer .g{grid-template-columns:1fr}
  .burger{display:inline-flex}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;margin:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 40px -22px rgba(31,36,48,.5);padding:8px 12px 14px;max-height:calc(100vh - 80px);overflow-y:auto}
  .menu.open{display:block}
  .menu ul{flex-direction:column;gap:0}
  .menu a{min-height:48px;display:flex;align-items:center;font-size:1.02rem;border-bottom:1px solid var(--sand);border-radius:0}
  .menu li:last-child a{border-bottom:0}
}
@media(max-width:560px){
  .hero{padding-top:34px}
  .hero .frame{padding:0 8px 8px 0}.hero .frame:before{inset:12px 0 0 12px}
  .gallery{grid-template-columns:1fr}
}